Mercedes W204 ABS Brake Pump Steering Hydraulic Braking Unit A2044310512

Mercedes W204 ABS Brake Pump Steering Hydraulic Braking Unit is a specialized component from the ABS and ESP system group, responsible for precise control of pressure in the brake circuit and vehicle stability. This component, designed for installation in Mercedes vehicles, ensures efficient cooperation with the steering system and active safety systems, which translates into predictable vehicle behavior in emergency situations.

Specifications and technical data

• SKU: A2044310512
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2044310512
• Substitutable numbers: A2044310512, A 204 431 05 12, A2045455232, A 204 545 52 32, BG
• Category: ABS & Stability Hydraulic Units

Purpose and function in the vehicle

The described Mercedes W204 ABS Brake Pump Steering Hydraulic Braking Unit is a key module responsible for regulating pressure in the brake lines and cooperating with the electronic stability control system. In combination with wheel speed sensors and the system controller, this element enables:

• precise dosing of braking force to individual wheels,
• reduction of slippage during sudden braking,
• vehicle stabilization during sudden changes in direction,
• maintaining appropriate pressure in the hydraulic system.

Thanks to this, the driver receives a predictable response from the braking system, which increases safety in everyday use and in critical situations.

Construction and integration with the ABS and ESP system

The pump is integrated with the hydraulic block and control unit designed to work with ABS and ESP systems in Mercedes W204 class models. The design provides for interaction with the steering and braking system so as to:

• ensure stable operating pressure throughout the circuit,
• enable rapid switching of hydraulic circuits by control valves,
• maintain proper communication with the vehicle's electronics.

Such a solution allows for the consistent operation of all subsystems responsible for traction and stability, which is particularly important in modern premium class vehicles.

Condition, selection, and benefits of use

The offered element comes from the used original Mercedes parts segment, which means maintaining factory geometry, mounting points, and compatibility with the vehicle's installation. In practice, this translates into:

• easier installation in place of the factory component,
• no need for modifications to the hydraulic and electrical installation,
• maintenance of operating parameters specified by the vehicle manufacturer.

Choosing an original Mercedes W204 ABS Brake Pump Steering Hydraulic Braking Unit is particularly beneficial for repairs where compliance with factory specifications and predictable braking system behavior after replacement are important.

Support with selection and integration with other components

To correctly select the pump for a specific engine and equipment version, it is worth paying attention to manufacturer markings, OEM part numbers, and interchangeable numbers – this allows avoiding problems with the compatibility of the controller and hydraulic installation. In case of doubt, it is helpful to compare the system configuration with the removed element and consult a mechanic specializing in the Mercedes brand.

If you are planning a comprehensive repair or upgrade of the braking zone in your Mercedes and need other elements from the same group, such as pumps, control modules, or hydraulic blocks, check the available parts in the Mercedes ABS and ESP system category.

Drivetrain safety and additional materials

A functional ABS and ESP system works with the vehicle's drivetrain, limiting overloads transferred to the differential, half-shafts, and other drivetrain components. When replacing the brake pump, it is therefore worth looking more broadly at the condition of the entire chassis and drivetrain. Practical tips on assessing the condition of components, selecting used elements, and avoiding common mistakes can be found in the guide Second-hand differential – what is worth knowing about used differentials, sensors, and drivetrain systems, which helps in making more informed service decisions.